John Horgan

Research and teaching Horgan is a Distinguished University Professor of Psychology at Georgia State University, where he leads the Violent Extremism Research Group. He has previously held positions at the University of Massachusetts Lowell, Pennsylvania State University, and the University of St Andrews. While at the University of Massachusetts, Lowell he directed their Center for Terrorism & Security Studies; while at Pennsylvania State University, he directed for their International Center for the Study of Terrorism. and he has since been awarded multiple grants for his research on terrorist behaviour. In 2010, following his consultancy work with the FBI's Behavioral Analysis Unit (BAU), he was appointed to the Research Advisory Board of the FBI's National Center for the Analysis of Violent Crime (NCAVC) until its official disbandment in 2012.

Writing and editing Horgan has extensively researched involvement and engagement in terrorism. Horgan has written several books on terrorism, including The Psychology of Terrorism (2005 and 2014), Divided We Stand: The Strategy and Psychology of Ireland's Dissident Terrorists (2012), and The Future of Terrorism (1999, with Max Taylor). Journal of Strategic Security, and Legal and Criminological Psychology.

Books

Horgan, J. (2014). The Psychology of Terrorism, 2nd Edition. London: Routledge. Horgan, J. (2013). Divided We Stand: The Psychology and Strategy of Ireland's Dissident Terrorists. New York: Oxford University Press. Horgan, J. and Braddock, K. (2011)Terrorism: A Reader. London and New York: Routledge. Horgan, J. (2009). Walking Away from Terrorism: Accounts of Disengagement from Radical and Extremist Movements. London and New York: Routledge. Bjorgo, T. and Horgan, J. (Eds.) (2009). Leaving Terrorism Behind: Individual and Collective Disengagement. London: Routledge. Horgan, J. (2005). Psychology of Terrorism. London: Routledge. Taylor, M. and Horgan, J. (Eds.) (2000). The Future of Terrorism. London: Frank Cass & Co.